Solar cell



FIG. 1 is a top plan view of a solar cell showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a back elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view of the second embodiment of a solar cell showing our new design;

FIG. 8 s a bottom plan view thereof;

FIG. 9 is a left elevation view thereof;

FIG. 10 is a right elevation view thereof;

FIG. 11 is a front elevation view thereof;

FIG. 12 is a back elevation view thereof;

FIG. 13 is a top plan view of the third embodiment of a solar cell showing our new design;

FIG. 14 is a bottom plan view thereof;

FIG. 15 is a left elevation view thereof;

FIG. 16 is a right elevation view thereof;

FIG. 17 is a front elevation view thereof;

FIG. 18 is a back elevation view thereof;

FIG. 19 is a top plan view of the fourth embodiment of a solar cell showing our new design;

FIG. 20 is a bottom plan view thereof;

FIG. 21 is a left elevation view thereof;

FIG. 22 is a right elevation view thereof;

FIG. 23 is a front elevation view thereof;

FIG. 24 is a back elevation view thereof;

FIG. 25 is a top plan view of the fifth embodiment of a solar cell showing our new design;

FIG. 26 is a bottom plan view thereof;

FIG. 27 is a left elevation view thereof;

FIG. 28 is a right elevation view thereof;

FIG. 29 is a front elevation view thereof;

FIG. 30 is a back elevation view thereof;

FIG. 31 is a top plan view of the sixth embodiment of a solar cell showing our new design;

FIG. 32 is a bottom plan view thereof;

FIG. 33 is a left elevation view thereof;

FIG. 34 is a right elevation view thereof;

FIG. 35 is a front elevation view thereof;

FIG. 36 is a back elevation view thereof;

FIG. 37 is a top plan view of the seventh embodiment of a solar cell showing our new design;

FIG. 38 is a bottom plan view thereof;

FIG. 39 is a left elevation view thereof;

FIG. 40 is a right elevation view thereof;

FIG. 41 is a front elevation view thereof;

FIG. 42 is a back elevation view thereof;

FIG. 43 is a top plan view of the ninth embodiment of a solar cell showing our new design;

FIG. 44 is a bottom plan view thereof;

FIG. 45 is a left elevation view thereof;

FIG. 46 is a right elevation view thereof;

FIG. 47 is a front elevation view thereof;

FIG. 48 is a back elevation view thereof;

FIG. 49 is a top plan view of the tenth embodiment of a solar cell showing our new design;

FIG. 50 is a bottom plan view thereof;

FIG. 51 is a left elevation view thereof;

FIG. 52 is a right elevation view thereof;

FIG. 53 is a front elevation view thereof;

FIG. 54 is a back elevation view thereof;

FIG. 55 is a top plan view of the eleventh embodiment of a solar cell showing our new design;

FIG. 56 is a bottom plan view thereof;

FIG. 57 is a left elevation view thereof;

FIG. 58 is a right elevation view thereof;

FIG. 59 is a front elevation view thereof;

FIG. 60 is a back elevation view thereof;

FIG. 61 is a top plan view of the twelfth embodiment of a solar cell showing our new design;

FIG. 62 is a bottom plan view thereof;

FIG. 63 is a left elevation view thereof;

FIG. 64 is a right elevation view thereof;

FIG. 65 is a front elevation view thereof;

FIG. 66 is a back elevation view thereof;

FIG. 67 is a top plan view of the thirteenth embodiment of a solar cell showing our new design;

FIG. 68 is a bottom plan view thereof;

FIG. 69 is a left elevation view thereof;

FIG. 70 is a right elevation view thereof;

FIG. 71 is a front elevation view thereof;

FIG. 72 is a back elevation view thereof;

FIG. 73 is a top plan view of the fourteenth embodiment of a solar cell showing our new design;

FIG. 74 is a bottom plan view thereof;

FIG. 75 is a left elevation view thereof;

FIG. 76 is a right elevation view thereof;

FIG. 77 is a front elevation view thereof;

FIG. 78 is a back elevation view thereof;

FIG. 79 is a top plan view of the fifteenth embodiment of a solar cell showing our new design;

FIG. 80 is a bottom plan view thereof;

FIG. 81 is a left elevation view thereof;

FIG. 82 is a right elevation view thereof;

FIG. 83 is a front elevation view thereof;

FIG. 84 is a back elevation view thereof;

FIG. 85 is a top plan view of the sixteenth embodiment of a solar cell showing our new design;

FIG. 86 is a bottom plan view thereof;

FIG. 87 is a left elevation view thereof;

FIG. 88 is a right elevation view thereof;

FIG. 89 is a front elevation view thereof; and,

FIG. 90 is a back elevation view thereof.

The broken lines shown illustrate the portions of the solar cell that form no part of the claimed design. 

CLAIM The ornamental design for a solar cell, as shown and described. 